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CVE-2026-13311 shell-quote parse() is quadratic in token count, enabling denial of service

🗓️ 25 Jun 2026 04:48:36Reported by harboristType 
cvelist
 cvelist
🔗 www.cve.org👁 42 Views

Shell-quote parse() is quadratic and can deny service by blocking the event loop; fixed in version 1.8.5.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
CVE-2026-13311
25 Jun 202604:48
attackerkb
ibm
Security Bulletin: Multiple vulnerabilities in IBM Software Support App
9 Jul 202621:50
ibm
circl
CVE-2026-13311
25 Jun 202606:00
circl
cve
CVE-2026-13311
25 Jun 202604:48
cve
debiancve
CVE-2026-13311
25 Jun 202604:48
debiancve
euvd
EUVD-2026-39180
25 Jun 202604:48
euvd
nvd
CVE-2026-13311
25 Jun 202605:16
nvd
nessus
openSUSE 16 Security Update : python-pytest-html (openSUSE-SU-2026:21176-1)
2 Jul 202600:00
nessus
nessus
Linux Distros Unpatched Vulnerability : CVE-2026-13311
28 Jun 202600:00
nessus
opensuse
Security update for python-pytest-html (important)
1 Jul 202600:00
opensuse
Rows per page
[
  {
    "vendor": "ljharb",
    "product": "shell-quote",
    "collectionURL": "https://www.npmjs.com/package",
    "packageName": "shell-quote",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThanOrEqual": "1.8.4",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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25 Jun 2026 04:48Current
CVSS 3.17.5
CVSS 48.7
EPSS0.0036
42